Zware Klei Reinigingsblok

Used it on my own car after a year of parking under a walnut tree, and the amount of tree sap and grime it pulled off was honestly shocking. The bar stayed pliable the whole time and the paint finally feels like glass instead of sandpaper.

My neighbor's truck had acid rain spots that wouldn't budge, and this bar finally pulled them all off after a single pass. The cut is serious, but the paint feels glass-smooth now, even on the neglected roof.

I’ve used aggressive compounds and polishing pads before, but this bar finally pulled out the embedded grime that nothing else could touch on my neglected paint. It took some serious work, but the surface is genuinely smooth now, not just slick from wax. The bar held up for the whole car without cru